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SFR explanation for PIC16F873(7)

PIE1 ( Peripheral Interrupt Enable register ) 8Ch This register contains the enable bits for various preipheral interrupts. The value in the parenthesis is in the condition immediately after the turning on. PSPIE : Parallel Slave Port Read/Write Interrupt Enable bit ( Not used ) ADIE : A/D Converter Interrupt Enable bit 1 : Enables the A/D converter interrupt 0 : Disables the A/D converter interrupt RCIE : USART Receive Interrupt Enable bit 1 : Enable the USART receive interrupt 0 : Disable the USART receive interrupt TXIE : USART Transmit Interrupt Enable bit 1 : Enable the USART transmit interrupt 0 : Disable the USART transmit interrupt SSPIE : Synchronous Serial Port(SSP) Interrupt Enable bit 1 : Enable the SSP interrupt 0 : Disable the SSP interrupt CCP1IE : CCP1 Interrupt Enable bit 1 : Enable the CCP1 interrupt 0 : Disable the CCP1 interrupt TMR2IE : TMR2 to PR2 Match Interrupt Enable bit 1 : Enable the TMR2 to PR2 match interrupt 0 : Disable the TMR2 to PR2 match interrupt TMR1IE : TMR1 Overflow Interrupt Enable bit 1 : Enable the TMR1 overflow interrupt 0 : Disable the TMR1 overflow interrupt